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Mayo clinic cases

Junliang Wang, Wei Qi, Xuezhen Shen, Sheng Tao, Yujie Liu
The goals of this study are to report an arthroscopic technique for the treatment of Mason type II radial head fractures using Kirschner wires (K-wires), and investigate the feasibility and evaluate the results.We retrospectively review 18 cases of closed Mason type II radial head fractures treated in our institution from August 2010 to May 2015. There were 13 males and 5 females with an average age of 30.6 (17-45 years) years. Injuries were caused by falling in 8 cases, by traffic accidents in 5 cases, and by sports in 5 cases...
March 2018: Medicine (Baltimore)
Nishant Saran, Chaim Locker, Sameh M Said, Richard C Daly, Simon Maltais, John M Stulak, Kevin L Greason, Alberto Pochettino, Hartzell V Schaff, Joseph A Dearani, Lyle D Joyce, Brian D Lahr, David L Joyce
BACKGROUND: We sought to identify the trends in bilateral internal thoracic artery use and determine the degree to which the survival advantage of bilateral internal thoracic artery revascularization persists among perceived "high-risk" patients, compared with the use of left internal thoracic artery alone. METHODS: A retrospective review was conducted of patients who underwent isolated coronary artery bypass grafting for multivessel coronary artery disease at the Mayo Clinic between January 2000 and December 2015...
February 23, 2018: Journal of Thoracic and Cardiovascular Surgery
John R Sims, Travis E Grotz, Barbara A Pockaj, Richard W Joseph, Robert L Foote, Clark C Otley, Amy L Weaver, James W Jakub, Daniel L Price
BACKGROUND: Merkel cell carcinoma (MCC) is a rare cutaneous malignancy of neuroendocrine origin with a high propensity for lymph node metastasis. Sentinel lymph node (SLN) status is important for accurate staging; however, the optimal treatment following SLN biopsy, regardless of nodal status, remains unclear. METHODS: 150 patients with MCC who underwent SLN biopsy from 1995 to 2011 at 3 Mayo Clinic sites were reviewed. RESULTS: Of 150 patients with MCC who underwent SLN biopsy, 39 (26%) were positive and 111 (74%) were negative...
March 2018: Surgical Oncology
Volha Dziadzko, Marie-Annick Clavel, Mikhail Dziadzko, Jose R Medina-Inojosa, Hector Michelena, Joseph Maalouf, Vuyisile Nkomo, Prabin Thapa, Maurice Enriquez-Sarano
BACKGROUND: Mitral regurgitation is the most common valve disease worldwide but whether the community-wide prevalence, poor patient outcomes, and low rates of surgical treatment justify costly development of new therapeutic interventions remains uncertain. Therefore, we did an observational cohort study to assess the clinical characteristics, outcomes, and degree of undertreatment of mitral regurgitation in a community setting. METHODS: We used data from Mayo Clinic electronic health records and the Rochester Epidemiology Project to identify all cases of moderate or severe isolated single-valvular mitral regurgitation (with no other severe left-sided valvular disease or previous mitral surgery) diagnosed during a 10-year period in the community setting in Olmsted County (MN, USA)...
March 10, 2018: Lancet
Kendall W Cradic, Michael A Lasho, Alicia Algeciras-Schimnich
Assessing the risk of malignancy in patients with a pelvic mass helps triage women suspected of ovarian cancer to specialized gynecologic oncologists to improve treatment outcomes. To this end, several algorithms have been proposed; most notably, the Risk of Ovarian Malignancy Algorithm (ROMA) based on CA125, HE4, and menopausal status. However, appropriate decision cut-points for the ROMA score depends on the choice of analytical assays used. This study validates the use of the Roche Elecsys CA125 and HE4 assays for ROMA calculation in a cohort of 207 women who presented to Mayo Clinic with a pelvic mass...
January 2018: Annals of Clinical and Laboratory Science
Shounak Majumder, Sonmoon Mohapatra, Ryan J Lennon, Guilherme Piovezani Ramos, Neil Postier, Ferga Gleeson, Michael J Levy, Randall K Pearson, Bret T Petersen, Santhi S Vege, Suresh T Chari, Mark Topazian, Thomas E Witzig
BACKGROUND & AIMS: Immunoglobulin G4-related disease (IgG4-RD), a multi-organ fibro-inflammatory syndrome, typically responds to steroids. However, some cases are steroid resistant, and pancreaticobiliary IgG4-RD commonly relapses after steroid withdrawal. Rituximab induces remission of IgG4-RD, but the need for and safety of maintenance rituximab treatment are unknown. We compared outcomes of patients with pancreaticobiliary IgG4-RD treated with or without maintenance rituximab therapy...
March 8, 2018: Clinical Gastroenterology and Hepatology
Michael A Mahr, David O Hodge, Jay C Erie
PURPOSE: To determine racial/ethnic differences in rates of complex cataract surgery among United States Medicare beneficiaries. SETTING: Departments of Ophthalmology and Health Science Research, Mayo Clinic, Rochester, Minnesota, USA. DESIGN: Retrospective case series. METHODS: The U.S. Medicare 5% Limited Data Set, representing a 5% sample of over 28 million fee-for-service Medicare beneficiaries predominantly aged 65 years and older, were analyzed for rates of complex cataract surgery (Current Procedural Terminology [CPT] code 66982) among all beneficiaries who had cataract surgery (CPT codes 66982, 66984), stratified by race/ethnicity between January 1, 2014, and December 31, 2014...
March 7, 2018: Journal of Cataract and Refractive Surgery
Jose Melendez-Rosado, Juan E Corral, Sheetal Patel, Raul J Badillo, Dawn Francis
GOALS: The goal of this study is to examine the causes, type of adverse events (AE), and effects of elective intubation in outcomes associated with esophageal food impaction (EFI). BACKGROUND: EFI is a gastrointestinal emergency requiring immediate medical attention. STUDY: Retrospective review of all EFI cases presenting at 3 large tertiary centers from October 1, 2011 to October 31, 2014 and all cases registered in the Clinical Outcome Research Initiative (CORI) database from January 1, 2000 to December 31, 2012...
March 6, 2018: Journal of Clinical Gastroenterology
Naoki Ueda, Hajime Isomoto, Yuichiro Ikebuchi, Hiroki Kurumi, Koichiro Kawaguchi, Kazuo Yashima, Masaru Ueki, Kayoko Matsushima, Taro Akashi, Ryohei Uehara, Fuminao Takeshima, Tomayoshi Hayashi, Kazuhiko Nakao
The present study was conducted to explore the association of endocytoscopy (EC) classification with microscopic inflammatory features of ulcerative colitis (UC) and disease relapse.EC was performed for mild-to-moderate UC 32 cases from January 2010 to August 2016. EC appearance was stratified into 4 categories: EC-A, regular arrangement of round to oval pits; EC-B, irregular arrangement with/without enlarged spaces between regular pits; EC-C, deformed pits with distorted crypt lumen which are unordered in arrangement but not disrupted; and EC-D, disruptive or disappeared pits...
March 2018: Medicine (Baltimore)
Hatem Abou-Ouf, Mohammed Alshalalfa, Mandeep Takhar, Nicholas Erho, Bryan Donnelly, Elai Davicioni, R Jeffrey Karnes, Tarek A Bismar
PURPOSE: To validate a previously characterized 10-gene signature in prostate cancer with implication to distinguish aggressive and indolent disease within low and intermediate patients' risk groups. METHODS: A case-control study design used to select 545 patients from the Mayo clinic tumor registry who underwent radical prostatectomy. A training set from this cohort (n = 359) was used to build a 10-gene model, based on high-dimensional discriminant analysis (HDDA10) to predict several endpoints of clinical patients' outcome...
March 6, 2018: Journal of Cancer Research and Clinical Oncology
X Wang, Y H Xu, Z Y Du, Y J Qian, Z H Xu, R Chen, M H Shi
Objective: This study aims to analyze the relationship among the clinical features, radiologic characteristics and pathological diagnosis in patients with solitary pulmonary nodules, and establish a prediction model for the probability of malignancy. Methods: Clinical data of 372 patients with solitary pulmonary nodules who underwent surgical resection with definite postoperative pathological diagnosis were retrospectively analyzed. In these cases, we collected clinical and radiologic features including gender, age, smoking history, history of tumor, family history of cancer, the location of lesion, ground-glass opacity, maximum diameter, calcification, vessel convergence sign, vacuole sign, pleural indentation, speculation and lobulation...
February 23, 2018: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
Anna Witkowska-Wrobel, Kirill Aristovich, Mayo Faulkner, James Avery, David Holder
Imaging ictal and interictal activity with Electrical Impedance Tomography (EIT) using intracranial electrode mats has been demonstrated in animal models of epilepsy. In human epilepsy subjects undergoing presurgical evaluation, depth electrodes are often preferred. The purpose of this work was to evaluate the feasibility of using EIT to localise epileptogenic areas with intracranial electrodes in humans. The accuracy of localisation of the ictal onset zone was evaluated in computer simulations using 9M element FEM models derived from three subjects...
February 27, 2018: NeuroImage
Sarah Huet, Bruno Tesson, Jean-Philippe Jais, Andrew L Feldman, Laura Magnano, Emilie Thomas, Alexandra Traverse-Glehen, Benoit Albaud, Marjorie Carrère, Luc Xerri, Stephen M Ansell, Lucile Baseggio, Cécile Reyes, Karin Tarte, Sandrine Boyault, Corinne Haioun, Brian K Link, Pierre Feugier, Armando Lopez-Guillermo, Hervé Tilly, Pauline Brice, Sandrine Hayette, Fabrice Jardin, Fritz Offner, Pierre Sujobert, David Gentien, Alain Viari, Elias Campo, James R Cerhan, Gilles Salles
BACKGROUND: Patients with follicular lymphoma have heterogeneous outcomes. Predictor models to distinguish, at diagnosis, between patients at high and low risk of progression are needed. The objective of this study was to use gene-expression profiling data to build and validate a predictive model of outcome for patients treated in the rituximab era. METHODS: A training set of fresh-frozen tumour biopsies was prospectively obtained from 160 untreated patients with high-tumour-burden follicular lymphoma enrolled in the phase 3 randomised PRIMA trial, in which rituximab maintenance was evaluated after rituximab plus chemotherapy induction (median follow-up 6·6 years [IQR 6·0-7·0])...
February 20, 2018: Lancet Oncology
Jorge G Boretto, Ezequiel E Zaidenberg, Gerardo L Gallucci, Alejandro Sarme, Pablo De Carli
BACKGROUND: Acute management of fractures of the distal ulna that are associated with fractures of the distal radius remains difficult, particularly in the elderly. METHODS: In this study, we investigated whether internal fixation of the distal ulna is associated with a higher rate of complications than resection of the distal ulna in patients older than 70 years. Twenty-four consecutive patients were included in this study, 12 of whom had undergone open reduction and internal fixation (ORIF) of the distal ulna, and 12 who had undergone distal ulna resection...
February 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
Guan-Yi Liu, Ling-Yong Jing, Zhi-Jun Pan, Long-Jun Chen, Ming Li, Jian-Xiang Feng, Wei-Hu Ma
OBJECTIVE: To explore the clinical outcomes of internal fixation or replacement for the treatment of radial head fractures through the extensor digitorum communis splitting approach. METHODS: From July 2012 to May 2015, 25 patients with radial head fractures were reviewed. There were 17 males and 8 females, ranging in age from 20 to 67 years old, with a mean age of 39 years old. Twenty-one patients were treated with reconstruction of plate internal fixation, and 4 patients were treated with radial head replacement...
November 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Parambir S Dulai, Jay C Buckey, Laura E Raffals, Jason M Swoger, Paul L Claus, Kevin O'Toole, Judy A Ptak, Michael W Gleeson, Christella E Widjaja, John T Chang, Jeffery M Adler, Nihal Patel, Laurie A Skinner, Shawn P Haren, Kimberly Goldby-Reffner, Kimberly D Thompson, Corey A Siegel
BACKGROUND: Hyperbaric oxygen therapy (HBOT) markedly increases tissue oxygen delivery. Case series suggest it may have a potential therapeutic benefit in ulcerative colitis (UC). We investigated the therapeutic potential of HBOT as an adjunct to steroids for UC flares requiring hospitalization. METHODS: The study was terminated early due to poor recruitment with 18 of the planned 70 patients enrolled. UC patients hospitalized for moderate-severe flares (Mayo score ≥6, endoscopic sub-score ≥2) were block randomized to steroids + daily HBOT (n = 10) or steroids + daily sham hyperbaric air (n = 8)...
February 16, 2018: American Journal of Gastroenterology
Carmelina Gurrieri, James J Butz, Toby N Weingarten, Irina Bancos, William F Young, Stephen D Cassivi, Sameh M Said, Travis J McKenzie, David W Barbara, Juraj Sprung
BACKGROUND: Intrathoracic paragangliomas (PGLs) are rare tumors. Approximately 50% originate from and around cardiac structures. METHODS: A retrospective review was made of the perioperative course of patients with intrathoracic PGL resection from 2000 through 2015 at Mayo Clinic in Rochester, Minnesota. RESULTS: Twenty-two patients underwent PGL resection. Sixteen patients (73%) had functioning tumors (11, noradrenergic; 4, mixed noradrenergic and dopaminergic; 1, dopaminergic)...
February 13, 2018: Annals of Thoracic Surgery
Rebecca Woehl, Johannes Maier, Sebastian Gehmert, Christoph Palm, Birgit Riebschlaeger, Michael Nerlich, Michaela Huber
BACKROUND: Scaphoidectomy and midcarpal fusion can be performed using traditional fixation methods like K-wires, staples, screws or different dorsal (non)locking arthrodesis systems. The aim of this study is to test the Aptus four corner locking plate and to compare the clinical findings to the data revealed by CT scans and semi-automated segmentation. METHODS: This is a retrospective review of eleven patients suffering from scapholunate advanced collapse (SLAC) or scaphoid non-union advanced collapse (SNAC) wrist, who received a four corner fusion between August 2011 and July 2014...
February 13, 2018: BMC Musculoskeletal Disorders
P Jungbluth, S Tanner, J Schneppendahl, J-P Grassmann, M Wild, M Hakimi, J Windolf, R Laun
AIMS: The aim of this retrospective multicentre study was to evaluate mid-term results of the operative treatment of Monteggia-like lesions and to determine the prognostic factors that influence the clinical and radiological outcome. PATIENTS AND METHODS: A total of 46 patients (27 women and 19 men), with a mean age of 57.7 years (18 to 84) who had sustained a Monteggia-like lesion were followed up clinically and radiologically after surgical treatment. The Mayo Modified Wrist Score (MMWS), Mayo Elbow Performance Score (MEPS), Broberg and Morrey Score, and Disabilities of the Arm, Shoulder and Hand (DASH) score were used for evaluation at a mean of 65 months (27 to 111) postoperatively...
February 2018: Bone & Joint Journal
Michael B Choi, Diva R Salomão, Wendy M Smith, Jose S Pulido, James A Garrity
PURPOSE: To describe the ophthalmic, pathologic, and BRAF V600E mutation status of Rosai-Dorfman Disease (RDD). DESIGN: Retrospective case series. METHODS: A retrospective review of all cases of RDD seen at Mayo Clinic from 1992 to 2016 identified patients with ophthalmic manifestations (n=8). Immunostain for BRAF and molecular studies for BRAFV600E mutation were performed on cases with tissue available. RESULTS: Of 76 patients with RDD, 15 had eye exams and, of those, 8 had ophthalmic manifestations (5 females and 3 males)...
February 8, 2018: American Journal of Ophthalmology
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